One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,5)(4,7)(6,8)(9,10)(11,14)(12,16)(13,15)(17,18,24,29)(19,27,22,25)(20,21,30,26)(23,28,31,32)(1,3)(2,5)(4,8)(6,7)(9,11,13,16)(10,12,15,14)(17,19,24,22)(18,25,29,27)(20,31,30,23)(21,28,26,32)(1,2)(3,6)(4,7)(5,8)(9,11)(10,14)(12,15)(13,16)(17,20,24,30)(18,26,29,21)(19,23,22,31)(25,28,27,32)(1,3)(2,6)(4,8)(5,7)(9,12,13,14)(10,11,15,16)(17,21,24,26)(18,20,29,30)(19,28,22,32)(23,25,31,27)(1,3)(2,5)(4,8)(6,7)(9,10)(11,12)(13,15)(14,16)(17,22,24,19)(18,27,29,25)(20,23,30,31)(21,32,26,28)(1,2)(3,6)(4,7)(5,8)(9,11)(10,14)(12,15)(13,16)(17,23)(18,28)(19,30)(20,22)(21,25)(24,31)(26,27)(29,32) involution — undirectedA Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.